Surface properties of aged coal and their effects on bubble–particle attachment during flotation
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2020.01.029
Abstract: Abstract Aged coal after mining often shows poor flotation performance due to the formation of hydrophilic oxygenated functional groups. In this study, different meta-bituminous aged coal was characterized by XPS and SEM analysis, and contact… read more here.
Keywords: bubble particle; aged coal; flotation; particle attachment ... See more keywords
Recent experimental advances for understanding bubble-particle attachment in flotation.
Sign Up to like & getrecommendations! Published in 2017 at "Advances in colloid and interface science"
DOI: 10.1016/j.cis.2017.05.019
Abstract: Bubble-particle interaction is of great theoretical and practical importance in flotation. Significant progress has been achieved over the past years and the process of bubble-particle collision is reasonably well understood. This, however, is not the… read more here.
Keywords: bubble particle; microscopy; flotation; particle attachment ... See more keywords
Automated contact time apparatus and measurement procedure for bubble-particle interaction analysis
Sign Up to like & getrecommendations! Published in 2018 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2018.02.018
Abstract: Abstract The novel Automated Contact Time Apparatus (ACTA) presented in this paper serves as a diagnostic tool that allows the detection of changes in bubble-particle attachment probability and therefore floatability caused by alterations in the… read more here.
Keywords: bubble particle; automated contact; time; contact time ... See more keywords
Control of bubble ζ-potentials to improve the kinetics of bubble-particle interactions
Sign Up to like & getrecommendations! Published in 2020 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106295
Abstract: Abstract Derjaguin and Dukhin (1961) developed a kinetic model for the bubble-particle interactions in flotation using the classical DLVO theory. According to the model, the energy barrier (E1) to flotation should increase with the square… read more here.
Keywords: bubble particle; particle interactions; kinetics bubble; particle ... See more keywords
Fundamental and flotation techniques assessing the effect of water quality on bubble-particle attachment of chalcopyrite and galena
Sign Up to like & getrecommendations! Published in 2021 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2021.106880
Abstract: Abstract Bubble-particle attachment has been studied in the most fundamental way from as early as 1934 by bringing a bubble into contact with a flat mineral surface and since then, techniques measuring this interaction have… read more here.
Keywords: water quality; water; bubble particle; particle attachment ... See more keywords
Direct visualisation of bubble-particle interactions in presence of cavitation bubbles in an ultrasonic flotation cell
Sign Up to like & getrecommendations! Published in 2021 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2021.107258
Abstract: Abstract In this study, the role of cavitation bubbles in the bubble-particle interaction dynamics was investigated using high-speed imaging. A lab-scale conceptual flotation cell was designed involving an ultrasonic field with adjustable power output and… read more here.
Keywords: bubble particle; flotation cell; cavitation bubbles; particle ... See more keywords
Transient interaction between a particle and an attached bubble with an application to cavitation in silt-laden flow
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Fluids"
DOI: 10.1063/1.5044237
Abstract: This study aims to elucidate the complex interaction between a suspended particle and an attached bubble, which is associated with cavitation in silt-laden flow. Systematic experiments are performed with high-speed photography, in which bubbles are… read more here.
Keywords: bubble particle; velocity; attached bubble; cavitation silt ... See more keywords
Dynamics of bubble-particle interaction in different flotation processes and applications - a review of recent studies
Sign Up to like & getrecommendations! Published in 2020 at "Physicochemical Problems of Mineral Processing"
DOI: 10.37190/ppmp/128610
Abstract: Flotation process involves aggregation of the particles based on the material/compound type of random mixtures such as ores and seawater. It is primarily used in pretreatment of water desalination and other industrial applications. The process… read more here.
Keywords: bubble particle; flotation process; flotation; particle interaction ... See more keywords